title: Germline testing of mismatch repair genes is not aided by prescreening tumours for allelic loss.
mesh_terms: D020137:Base Pair Mismatch; D003123:Colorectal Neoplasms, Hereditary Nonpolyposis / Q000235:genetics*; D018095:Germ-Line Mutation; D006801:Humans; D019656:Loss of Heterozygosity